diff --git a/demo/benchmark/loadrom.js b/demo/benchmark/loadrom.js
index 9e7e0ef8..20752103 100644
--- a/demo/benchmark/loadrom.js
+++ b/demo/benchmark/loadrom.js
@@ -69,9 +69,8 @@ export default class LoadROMSelector extends Component {
       // Clear Wasm memory
       // https://docs.google.com/spreadsheets/d/17xrEzJk5-sCB9J2mMJcVnzhbE-XH_NvczVSQH9OHvRk/edit?usp=sharing
       coreObjects.forEach(coreObject => {
-        for (let i = 0; i <= coreObject.core.byteMemory.length; i++) {
-          coreObject.core.byteMemory[i] = 0;
-        }
+        // Reset the byte memory to zero at all indexes
+        coreObject.core.byteMemory.fill(0);
 
         // Set the ROM in byte memory
         coreObject.core.byteMemory.set(ROMObject.ROM, coreObject.core.instance.exports.CARTRIDGE_ROM_LOCATION);